Home / 38,257.38-52,794.11-21,261.18

Finding the Fourth Proportional to 38,257.38, 52,794.11 and 21,261.18

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Solution

The fourth proportional to 38,257.38, 52,794.11 and 21,261.18 is: 29,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,257.38 : 52,794.11 = 21,261.18 : x
  2. Step 2: Convert to fraction form
    38,257.38/52,794.11 = 21,261.18/x
  3. Step 3: Cross multiply
    38,257.38x = 52,794.11 × 21,261.18
  4. Step 4: Simplify right side
    38,257.38x = 1,122,465,075.65
  5. Step 5: Solve for x
    x = 1,122,465,075.65/38,257.38
  6. Step 6: Final answer
    x = 29,339.83

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Double scale
Find fourth proportional to 38,258.38, 52,795.49 and 21,262.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.